一、概述 发展山区公路是我国交通建设中的重要问题,它关系到国家的经济建设、国防建设和人民生计。在山区公路修建中,经常要用爆破方法开挖大量石方。在生产实践中,广大工人群众有许多好的经验,但未能很好总结、交流和推广,因而山区公路爆破工程一般地还存在着工效低,工期长,成本高等问题。另外,现代集中药包没有因地制宜的爆破理论和方 I. Overview The development of mountain roads is an important issue in China’s traffic construction. It is related to the country’s economic construction, national defense construction and people’s livelihood. In the construction of mountain roads, often use blasting excavation of a large number of stone. In production practice, the masses of workers have many good experiences, but they have not been well summarized, exchanged and popularized. Therefore, there are still some problems such as low efficiency, long construction period and high cost in general. In addition, the modern centralized medicine package does not have the local blasting theory and method